- 搜標(biāo)題
- 搜題干
- 搜選項(xiàng)
單項(xiàng)選擇題
屏氣試驗(yàn)是粗略測(cè)定心功能的簡(jiǎn)單方法，正常人可持續(xù)多少秒(s)以上( )
A．15s
B．30s
C．60s
D．90s
E．120s
B．30s
C．60s
D．90s
E．120s
